Replacement for S4129 SATCO Halogen - MR16 Shape GU10 Base 50W 120V with Frosted Finish

Designed as a direct replacement for the S4129 from SATCO, this halogen lamp matches the original specifications to ensure proper fit and performance. Rated at 50W, 120V, MR16 form factor, it installs into any fixture that uses a GU10 twist-lock base. The 850-lumen output ensures strong illumination for demanding applications.

This lamp combines compact size, high output, and excellent color rendering in a package suited for track lighting, recessed cans, pendants, and wall sconces. It maintains stable lumen output and color temperature over its rated life, keeping spaces looking their best from installation to replacement. It handles the thermal demands of enclosed and recessed fixtures.

Key Features & Benefits

• Produces 850 lumens to support demanding lighting applications.
• GU10 twist-lock base for secure installation in compatible fixtures.
• MR16 form factor with frosted finish for controlled light output.
• Operates at 50W, 120V to match standard line-voltage circuits.

Product Specifications

• Wattage: 50W
• Voltage: 120V
• Base Type: GU10
• Bulb Shape: MR16
• Finish: Frosted Finish
• Lumens: 850
• Condition: Brand New

Common Applications

This halogen lamp is commonly used in:

• Hospitality and restaurant ambiance fixtures
• Retail showcase and merchandise lighting
• Industrial and warehouse general illumination
• Residential chandelier and pendant fixtures
• Gallery and museum accent spotlights

During the checkout process, you can choose from expedited services such as overnight delivery to standard ground shipping. We aim to ensure your order is delivered promptly and reliably, wherever you are.

All returns must be made within 30 days of purchase with the invoice. (After 30 days, Interlight credit only, Minimum 25% restocking fee, no returns after 60 days, special items order just for you are not returnable.)

At Interlight, your satisfaction is our priority. We offer a 30-day money-back guarantee on eligible products, provided they are returned in resalable condition with the original invoice.